HDSQ.mid is short for Hemidemisemiquaver (who could be bothered to type that?). He is a blacker who entered the Black MIDI community in October 2016. He uses a range of blacking styles but his blacking style is most similar to TheSuperMarioBros2. He blacks a variety of music, some of which are original compositions. He is currently a member of the BMT-A and resides in Australia.